[1] Toho Univ, Ohashi Med Ctr, Dept Urol, 2-22-36 Ohashi Meguro-ku, Tokyo 1538515, Japan
[2] Spinal Injuries Ctr, Dept Urol, Fukuoka, Japan
[3] CRECON Med Assessment Inc, Tokyo, Japan
[4] Aijinkai Rehabil Hosp, Dept Rehabil Med, Osaka, Japan
[5] Hyogo Prefectural Cent Rehabil Hosp, Dept Urol, Kobe, Japan
[6] Asahikawa Med Univ, Dept Renal & Urol Surg, Asahikawa, Japan
[7] Univ Yamanashi, Grad Sch Med Sci, Dept Urol, Yamanashi, Japan